The car will start shaking because of the engine and the check engine light will turn on. When I turn it off
and turn it on again, it's fine, but I took it in to the dealer's and they said it was bad...

Mercedes replaced the 2014 with a 2015 which broke down with 249 miles on it. They say the gas (which was from their dealership) was cloudy and the fuel screen deteriorated and left white flakes going...

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